@misc{indiciaeb11a40b9154d,
  title = {Contributions to economic geology, 1908: Part I - Metals and nonmetals, except fuels},
  author = {C. W. Hayes and Waldemar Lindgren},
  year = {1909},
  doi = {10.3133/b380},
  url = {https://pubs.usgs.gov/publication/b380},
  note = {Source identifier: b380}
}